Home / 40,965.39-61,462.89-14,315.33

Finding the Fourth Proportional to 40,965.39, 61,462.89 and 14,315.33

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Solution

The fourth proportional to 40,965.39, 61,462.89 and 14,315.33 is: 21,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,965.39 : 61,462.89 = 14,315.33 : x
  2. Step 2: Convert to fraction form
    40,965.39/61,462.89 = 14,315.33/x
  3. Step 3: Cross multiply
    40,965.39x = 61,462.89 × 14,315.33
  4. Step 4: Simplify right side
    40,965.39x = 879,861,245.79
  5. Step 5: Solve for x
    x = 879,861,245.79/40,965.39
  6. Step 6: Final answer
    x = 21,478.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.